<template>
  <div class="container">
    <h1>{{msg}}</h1>
    <abc></abc>
  </div>
</template>


<script>
import abc from './components/abc';

export default{
  data() {
    return {
      msg: 'root组件',
    };
  },
  components: { abc },
};
</script>
<style>
  .container{
    width: 100vw;
    height: 100vh;
    background: palevioletred;
    color: #fff;
  }
</style>
